How to Find and Replace Text Using MySQL Query

After changing website templates I found that all instances of the <ul> html tag (used for bullets) no longer worked because the new template requires a class tag for its typography (e.g. <ul class="gkBullet2">). Apparently this is common when using templates by Gavick.

So I wanted to find a quick way to replace all instances of <ul> with <ul class="gkBullet2">. Here's what worked for me. Go into PHPMyAdmin and execute these 2 queries: